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Organoleptic Assessment of Groundnut (arachis Hypogaea L.) as Influenced by Boron and Artificial Lightening at Night

Md. Quamruzzaman
Department of Agronomy, Sher-e-Bangla Agriculture University, Dhaka-1207, Bangladesh.

Md. Jafar Ullah
Department of Agronomy, Sher-e-Bangla Agriculture University, Dhaka-1207, Bangladesh

Md. Jahedur Rahman
Department of Horticulture, Sher-e-Bangla Agriculture University, Dhaka-1207, Bangladesh.

Rajesh Chakraborty
Department of Agronomy, Sher-e-Bangla Agriculture University, Dhaka-1207, Bangladesh.

Md. Mahfuzar Rahman
Department of Agronomy, Sher-e-Bangla Agriculture University, Dhaka-1207, Bangladesh.

Md. Golam Rasul
Department of Plant Pathology, Sher-e-Bangla Agriculture University, Dhaka-1207, Bangladesh

Abstract/ Executive Summary:

Investigation was made to evaluate the response of boron and artificial lightening at night on two groundnut cultivars (BARI Chinabadam-8 and Dhaka-1). An experiment was conducted in this respect at the Agronomy Field of the Sher-e-Bangla Agricultural University (SAU), Dhaka, during the period of March-July, 2014. Application of boron( B) was at the rate of 0, 1 and 2 Kg ha^-1 and the two levels of artificial lightening were,light and no-light. The protein, oil and vitamin E contents of groundnut seeds were examined. Results exhibited that 2 kg B ha^-1 increased all studied qualitative characters viz., protein, oil and vitamin E contents of groundnut seeds. Application of B also increased the 100 seed weight. In regards artificial lightening, it gave the highest results in respects of protein, oil and vitamin E contents, but decreased the 100 seed weight of groundnut. Improved variety i.e., BARI Chinabadam-8 exhibited to be the best over the variety, Dhaka-1 (Maijchaur Badam).

Keywords: Groundnut, Boron, Artificia, Organoleptic

Location: Agronomy Field, Sher-e-Bangla Agricultural University, Dhaka

Start Date: 00-03-2014

End Date: 00-07-2015

Program Area: Crop-Soil-Water Management

Commodity: Ground nut

Objectives:

To evaluate the optimum level of boron and light for two groundnut variety to derive better seed quality

Methodology:

The experiment was conducted at the Agronomy Field, Sher-e-Bangla Agricultural University (SAU), Dhaka, during the period of March-July, 2014 and repeat experiment was conducted on March to July 2015. The experimental plot was high land having pH 5.90, very low nitrogen, lower amount of boron and potassium, medium amount of phosphorous, sulphur and higher amount of calcium. The experimental filed is located at 23°C 41' N latitude and 29°C 22' E longitude at a height of 8.6 m above the sea level belonging to the Agro-ecological Zone “AEZ-28” of Madhupur Tract. Two groundnut varieties were used for this experiment viz., Maijchaur Badam (Dhaka-1) and BARI Chinabadam-8. Seeds were collected from Bangladesh Agricultural Research Institute (BARI), Gazipur-1701. BARI chinabadam-8 is a high yielding groundnut variety in Bangladesh having protein and oil content 36.06% and 49.20%, respectively whereas Dhaka- 1 is a local variety having protein and oil content 33.25% and 49.20%. The experiment consisted of three Factors: Factors A: Groundnut varieties; There were two varieties under investigation: V1 = Dhaka 1, V2 = BARI Chinabadam-8. Factors B: Level of boron [source: boric acid (16.5% boron)]: There were three levels of boron. There were; B₀ = 0 (Control), B₁ = 1 kg ha^-1, B₂ = 2 kg ha^-1. Factors C: Level of light: There were two level of lights i.e. L₀ = 0 (Control), L = Artificial lightening. The experiment was laid out in a 2×3×2 factorial design with three replications. Varieties, different boron levels and two lightening were treated as main plot, sub-plot and sub-sub-plot, respectively, where the unit plot size was 4m² (2 x 2m).The following doses of organic manure and inorganic fertilizer were used for the present experiment. Cowdung, Urea, TSP, MoP, Gypsum and Zinc sulphate were applied @ 10 t ha^-1, 25 kg, 160 kg, 75 kg, 170 kg and 4 kg ha^-1, respectively. Different levels of boron (source: boric acid) was applied @ 0 kg, 1 kg and 2 kg ha^-1. Half dose of urea and all others fertilizer were applied during the final land preparation and incorporated in each plot. Rest amount of urea was applied during flowering stage of plants. To extent the photoperiod, one month after seed sowing (after seedling emergence) artificial lightening was used by florescence bulb from 6.0 p.m. to 12.0 a.m. @ 30-50,000 lux, measured by lux meter. The crop was harvested at maturity stage (114 days after sowing for two trial experiments) and three plants were taken from each plot. Pods were separated from plant, cleaned, dried and weighted separately to determine the protein, oil and vitamin E content of groundnut seeds and finally the means data of 2 trial experiments were calculated for the further statistical analysis. The protein content was evaluated by the multiplication of total nitrogen with 6.25, which was determined by following the Micro-Kjeldahl’s method. In order to determine the oil content of groundnut seed, the soxhlet extraction method was used. The data of two trail experiments were analyzed through a statistical computer software IBM-SPSS (Version 20) and the means were adjusted by Duncan’s Multiple Range Test (DMRT) at 0.05% level of significance.

Source of Information: World Journal of Agricultural Sciences 12 (1): 01-06, 2016, ISSN 1817-3047

Article Link (Online Journal): DOI: 10.5829/idosi.wjas.2016.12.1.1896

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

Application of boron (B) @ 2 kg ha^-1 along with other recommended fertilizer (N, P, K, Gypsum and Zn) in boron deficient soil increased the organoleptic quality parameters such as protein, oil and vitamin E content of groundnut seeds. In case of artificial lightening, there was tremendous effect on organoleptic quality of groundnut seed, and artificial lightening increased the protein, oil and vitamin E content of groundnut seed. It was also observed that BARI Chinabadam-8 (improved groundnut variety) proved to be best in nutritional profile and had good amount of protein, oil and vitamin E compared to Dhaka-1 variety (Local Variety). Further, it was observed that, though the application of boron increased 100 seed weight but light has a negative effect on it.

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